Steve wrote:

Depending on how serious the IMC is that the planes will be flying in, a
rate based a/p would probably suffice over an electric AI.

Why is "rate based" significant here? Is it just because that ties the AP
into the TC?

And are you assuming that the AP has altitude hold? Otherwise, I don't see
a "replacement" for the lost pitch information in the case of a failed AI.

- Andrew